AHB2 peripheral clocks enable in Sleep and Stop modes register
| GPIOASMEN | IO port A clocks enable during Sleep and Stop modes  |  
| GPIOBSMEN | IO port B clocks enable during Sleep and Stop modes  |  
| GPIOCSMEN | IO port C clocks enable during Sleep and Stop modes  |  
| GPIODSMEN | IO port D clocks enable during Sleep and Stop modes  |  
| GPIOESMEN | IO port E clocks enable during Sleep and Stop modes  |  
| GPIOFSMEN | IO port F clocks enable during Sleep and Stop modes  |  
| GPIOGSMEN | IO port G clocks enable during Sleep and Stop modes  |  
| GPIOHSMEN | IO port H clocks enable during Sleep and Stop modes  |  
| GPIOISMEN | IO port I clocks enable during Sleep and Stop modes  |  
| SRAM2SMEN | SRAM2 interface clocks enable during Sleep and Stop modes  |  
| OTGFSSMEN | OTG full speed clocks enable during Sleep and Stop modes  |  
| ADCFSSMEN | ADC clocks enable during Sleep and Stop modes  |  
| DCMISMEN | DCMI clock enable during Sleep and Stop modes  |  
| AESSMEN | AES accelerator clocks enable during Sleep and Stop modes  |  
| HASH1SMEN | HASH clock enable during Sleep and Stop modes  |  
| RNGSMEN | Random Number Generator clocks enable during Sleep and Stop modes  |